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Amentum, a Fortune 500 company, has opened a new global nuclear headquarters in Oak Ridge, Tennessee. The Virginia-based firm employs 2,200 workers in East Tennessee and partners with Jacobs and Honeywell to operate United Cleanup Oak Ridge, a major environmental cleanup contractor for the Department of Energy. The company's nuclear projects include supporting a South African reactor and decommissioning Japan's Fukushima Daiichi power plant. Amentum chose Oak Ridge for its nuclear centre due to the area's support for nuclear technology and emerging private nuclear ventures. CEO John Heller cited increasing electricity demand from AI as a growth driver for the nuclear industry. The company announced the Amentum Nuclear Scholars Program, connecting Roane State Community College and the University of Tennessee at Knoxville to develop the local nuclear workforce.

Another nuclear company chooses Oak Ridge for headquarters as industry continues to grow. Posted: Oct 8, 2026 / 06:41 PM EDT Updated: Oct 8, 2026 / 06:41 PM EDT OAK RIDGE, Tenn. (WATE) - A company called Amentum is the latest nuclear company to move its headquarters in Oak Ridge. Amentum has around 50,000 employees in more than 70 countries. The new facility will serve as the central hub for Amentum's global nuclear operations, bringing together more than 150 nuclear experts in the process. "Oak Ridge is the epicenter for the nuclear resurgence in the United States, which is a really important imperative for all of us: the need for electricity, the need for new energy, and nuclear has to be a part of that. It really does. And so, we're excited about being here to support that resurgence," said Mark Whitney, president of the Amentum Energy & Environment business. "The community here is really special," he continued. "The partnership in this community, and I lived here before from 2012 to 2014, so I saw it firsthand. [...] The partnership between the community leaders, government, industry, regulators, and elected officials- state, local, federal, and the government- is really unique." Congressman Chuck Fleischmann explained that the company is a world-class leader in legacy cleanup, which means they clean up legacy nuclear sites in places like Oak Ridge or Los Alamos that were contaminated during World War II and the Cold War. He continued that as more companies chose to come to Oak Ridge, legacy cleanups open more land for use. "We're cleaning these up for these affected communities. The great thing about it is they're great-paying jobs. Our wonderful union workers in all the trades are getting good-paying jobs here. We're cleaning up the environment. And most importantly, when we clean up the environment here, we build on that environment. Tennessee is, now largely because of my efforts in Congress, the number one nuclear state in the country," said Fleishmann. Amentum also announced new investments with the University of Tennessee and Roane State Community College to support scholarships and strengthen the pipeline for high-demand nuclear jobs during the ribbon-cutting. Whitney explained that their goal with the Amentum Global Nuclear Scholars Program is to help develop the next generation of workers for the nuclear industry. "An important part of it is the practical, in-field, hands-on experience that we will be providing the students as they go through the process and go through their education, including internships with Amentum," said Whitney. He continued that the internships will not just be in Oak Ridge, but also at any of their sites across the world. "And so, opportunities to work on some really interesting things and have different experiences and hopefully bring that back to Oak Ridge as we kind of continue on this path to nuclear power expansion."

Amentum opens Global Nuclear Headquarters in Oak Ridge, Tennessee. Innovative Hub to Deliver Advanced Engineering and Energy Solutions Published on 10/08/2026 at 05:59 pm EDT Business Wire Amentum today opened its Global Nuclear headquarters in Oak Ridge, Tennessee. The facility, which houses Amentum's Nuclear Center of Excellence, now serves as a centralized hub for the company's international nuclear business operations. Ribbon cutting at Amentum's Global Nuclear HQ. Located at 151 Lafayette Drive in Oak Ridge, the hub employs more than 150 subject-matter experts dedicated to delivering innovative engineering, technology solutions and advanced energy capabilities. The facility anchors Amentum's deepening footprint in east Tennessee, where the company already serves as the lead partner in United Cleanup Oak Ridge (UCOR), the U.S. Department of Energy's prime environmental management contractor for the Oak Ridge Reservation. "The opening of our Global Nuclear Headquarters represents a monumental step forward for our business and our industry," said Mark Whitney, president of Amentum's Energy & Environment division. "By centralizing our global nuclear operations in Oak Ridge, we are leveraging strong local partnerships to deliver increased energy capacity to meet the electricity demand of the people and businesses across the U.S. This facility empowers our team of experts to deliver next-generation nuclear innovation, and it builds directly upon the strong operational foundation we've established in the region through our Amentum-led UCOR partnership while contributing directly to regional economic growth." To sustain the industry's rapidly expanding need for professional and technical labor, Amentum simultaneously launched the Amentum Nuclear Scholars Program. This transformational initiative establishes a synchronized scholarship pipeline between Roane State Community College and the University of Tennessee, Knoxville (UTK). The newly founded partnership is headlined by a five-year investment from Amentum totaling $500,000 towards developing curriculum and scholarships that build the critical talent pipeline for the world's growing nuclear energy demands. When combined with other Amentum-led STEM sponsorships and donations in the Oak Ridge community, total student support for these two academic institutions exceeds $1 million. "By launching the Amentum Nuclear Scholars Program alongside our new headquarters, we are directly investing in the local student talent who will pioneer the future of advanced energy and infrastructure solutions," Whitney said. The educational pipeline will launch its first student cohort stateside in late 2026, followed by integration with Amentum's international academic partners in the fall of 2027. To celebrate the opening, Amentum hosted a ribbon-cutting ceremony featuring CEO John Heller, U.S. Rep. Chuck Fleischmann (R-TN-03) local elected leaders and school officials. "This partnership paves the way for students to gain the educational foundation necessary to excel as future leaders in the nuclear industry," said UTK Tickle College of Engineering (TCE) Dean Matthew Mench, the Wayne T. Davis dean's chair of the college. "Through the financial support from Amentum and practical internship experiences, TCE students will be prepared to step directly into high-demand roles that will positively impact our community, state and country." "By partnering with Amentum, we are opening doors for students to start right here in their community and graduate onto a global stage," said Dr. Chris Whaley, Roane State Community College president. "The Amentum Nuclear Scholars Program removes the financial hurdles that often halt a student's momentum, providing a direct, supported pathway from our classrooms straight into high-wage, high-impact careers." About Amentum Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all seven continents. Visit us at amentum.com to learn how we advance the future together. Forward-looking statements This press release contains or incorporates by reference statements by Amentum Holdings, Inc. (the "Company") that relate to future events and expectations and, as such, constitute "forward-looking statements" as that term is defined in the Private Securities Litigation Reform Act of 1995 and other federal securities laws. These forward-looking statements may be characterized by terminology such as "believe," "project," "expect," "anticipate," "estimate," "forecast," "outlook," "target," "endeavor," "seek," "predict," "intend," "strategy," "plan," "may," "could," "should," "will," "would," "will be," "will continue," "will likely result," or the negative thereof or variations thereon or similar terminology generally intended to identify forward-looking statements. All statements, other than historical facts, including, but not limited to, statements regarding the anticipated work and revenue under the awarded contract, and the Company's objectives, expectations and intentions, applicable legal, economic and regulatory conditions, and any assumptions underlying any of the foregoing, are forward-looking statements. A number of important factors could cause actual results to differ materially from those contained in or implied by these forward-looking statements, including those factors discussed in our filings with the Securities and Exchange Commission (SEC), including, among others: the occurrence of an accident or safety incident; the ability of the Company to control costs, meet performance requirements or contractual schedules; and other factors set forth under Item 1A, Risk Factors in our Annual Report on Form 10-K for the fiscal year ended Sept. 27, 2024, which can be found at the SEC's website at www.sec.gov or the Investor Relations portion of our website at www.amentum.com. Any forward-looking statement speaks only as of the date on which it is made, and the Company assumes no obligation to update or revise such statement, whether as a result of new information, future events or otherwise, except as required by applicable law. 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